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Current system
01166+7402
HJ 2028 AB
HD 7406


Nearby doubles
19' : 01197+7348
KPP1367

37' : 01255+7407
HDS 185

40' : 01185+7323
A 814

53' : 01290+7412
HJ 2045

58' : 01278+7327
LDS1528

58' : 01275+7437
LDS1527

69' : 01047+7450
MLR 291

71' : 00595+7359
HDS 128

76' : 01280+7303
TDS1884

78' : 01334+7438
HDS 204

78' : 01241+7251
STF 114

102' : 01339+7252
HJ 2049

102' : 01338+7251
HJ 2048

102' : 01217+7540
LDS1526

113' : 01175+7554
A 813

126' : 01356+7227
A 816

127' : 01030+7556
HJ 2006

129' : 01296+7602
LDS1530

137' : 01162+7145
HDS 167

140' : 01357+7600
LDS1533

145' : 01167+7626
KPP 69

146' : 01134+7137
HJ 2022

148' : 01016+7617
SKF2752

149' : 01157+7133
TDS1821

150' : 01246+7136
TDS1868

163' : 01195+7119
HJ 2032



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

01166+7402 HJ 2028 AB (HD 7406)

 
 
01h 16m 36.23s +74° 01' 36.5" P.A. 204.00 sep 62.6 mag 7.06,7.88 Sp B9 dist. 549.45 pc (1792.31 l.y.)
 
 
Coord 2000 01166+7402 Discov num HJ 2028 Comp AB Coord arcsec 2000 01 16 36.23 +74 01 36.5
Date first 1831 Date last 2018 Obs 30
Pa first 206 Pa last 203.5 P.A. Now (θ) 203.5°
Sep first 40.0 Sep last 62.6 Sep. Now (ρ) 62.6"
Mag pri 7.06 Mag sec 7.88 delta mag (ΔM) 0.82 Spectral class B9 (blue-white)
Pri motion ra -001 Sec motion ra +005
Pri motion dec -003 Sec motion dec -013
Notes N (See Notes)
rPM=0.837
This double is not physical.
 
 
01166+7402 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 7406 4360 01 16 36 +74 01 36 HJ 2028 AB 2018 30 204 62.6 7.06 7.88 0.82 <===
Show 4359 01 16 30 +74 00 40 HJ 2028 BC 2015 7 212 48.9 7.88 12.70 4.82
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 7406 Constellation Cassiopeia SAO 4360 HIP 5950
Tycho2 4309-00960-1 Gaia DR2 535710587934336384 HD 7406 GC 1509
BD BD+73 61 Distance 549.45 Distance ly 1792.31
 
 
WDS 01166+7402 HJ 2028 AB (HD 7406) : NOTES
 
 
discov_num notes refcode
HJ 2028 STTA 13.
 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01166+7402 HJ 2028 AB 2001 20 205 60.8 7.06 7.88 B9 D 011636.23+740136.5
01166+7402 HJ 2028 AB 2003 22 204 61.1 7.06 7.88 B9 N D 011636.23+740136.5
01166+7402 HJ 2028 AB 2010 24 204 61.4 7.06 7.88 B9 N 011636.23+740136.5
01166+7402 HJ 2028 AB 2017 26 204 61.5 7.06 7.88 B9 N 011636.23+740136.5
01166+7402 HJ 2028 AB 2018 30 204 62.6 7.06 7.88 B9 N 011636.23+740136.5

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 01166+7402 HJ 2028 AB (HD 7406) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 22/10/16 daedalus1 mean difficulty separated 204   Seeing: Pickering 5, poor. Measure: theta 204, rho 62.17 +/- 0.071. Companion seems brighter than the primary.

 
 
WDS 01166+7402 HJ 2028 AB (HD 7406) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 22/10/16 Daedalus1 mean difficulty 62.17 0.07 204.00 0.00 0.82 12 Pickering 5, poor
 
 
WDS 01166+7402 (HD 7406) : VIRTUAL EYEPIECE
 
 

01166+7402 HJ 2028A mag 7.06 Sp B9 01166+7402 HJ 2028B sep 61.4 P.A. 203.70 mag 7.88 Sp A0 01166+7402 HJ 2028C sep 102.8 P.A. 198.00 mag 12.7 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 01166+7402 (HD 7406) : ALADIN DSS IMAGE @ 01h 16m 36.23s +74° 01' 36.5"
 
 
 
 
WDS 01166+7402 HJ 2028 AB (HD 7406) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01166+7402 HJ 2028AB distance=1' 01166+7402 HJ 2028BC distance=2' 01197+7348 KPP1367 distance=19' 01255+7407 HDS 185 distance=37' 01185+7323 A 814 distance=40' 01072+7432 KPP3442BC distance=49' 01290+7412 HJ 2045 distance=53' 01278+7327 LDS1528 distance=58' 01275+7437 LDS1527 distance=58' 01047+7450 MLR 291 distance=69' 00595+7359 HDS 128 distance=71' 01280+7303 TDS1884 distance=76' 01334+7438 HDS 204 distance=78' 01241+7251 STF 114 distance=78' 01339+7252 HJ 2049 distance=102' 01338+7251 HJ 2048 distance=102' 01217+7540 LDS1526 distance=102' 01175+7554 A 813 distance=113' 01356+7227 A 816 distance=126' 01030+7556 HJ 2006 distance=127' 01296+7602 LDS1530 distance=129' 01162+7145 HDS 167 distance=137' 01357+7600 LDS1533 distance=140' 01167+7626 KPP 69 distance=145' 01134+7137 HJ 2022 distance=146' 01016+7617 SKF2752 distance=148' 01157+7133 TDS1821 distance=149' 01246+7136 TDS1868 distance=150' 01195+7119 HJ 2032 distance=163' 01085+7107 TDS1781AB distance=179' 01032+7113 JNN 250 distance=179' 00584+7120 TDS1690 distance=181' 01168+7705 LOC 88 distance=184' 01147+7056 TDS 43 distance=186' 01027+7106 TDS1742 distance=186' 01074+7708 LDS1523 distance=189' 01297+7054 HJ 1080 distance=198' 00593+7712 WFC 5 distance=202' 01241+7036 TDS1866 distance=209' 01122+7744 LOC 87 distance=223' 01099+7021 TDS1789 distance=224' 01092+7008 TDS 40 distance=237' 00586+7018 TDS1693 distance=239' 01078+7001 HJ 1069 distance=245' 01346+7804 LDS1532 distance=247' 01279+7807 HJ 2038 distance=249' 01345+7804 HDS 211Aa,Ab distance=251' 01345+7804 TOK 227AB distance=251' 01325+7001 HDS 199 distance=252' 01071+7816 LDS1522 distance=256' 01349+7811 MFL 16 distance=259' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 01166+7402 HJ 2028 AB 204 62.6 1
Show 01166+7402 HJ 2028 BC 212 48.9 2
Show 01197+7348 KPP1367 353 10.3 19
Show 01255+7407 HDS 185 228 0.2 37
Show 01185+7323 A 814 194 0.2 40
Show 01072+7432 KPP3442 BC 76 3.2 49
Show 01290+7412 HJ 2045 82 27.2 53
Show 01278+7327 LDS1528 48 74.0 58
Show 01275+7437 LDS1527 17 101.2 58
Show 01047+7450 MLR 291 355 0.2 69
Show 00595+7359 HDS 128 340 0.3 71
Show 01280+7303 TDS1884 83 0.7 76
Show 01334+7438 HDS 204 38 0.3 78
Show 01241+7251 STF 114 356 3.7 78
Show 01339+7252 HJ 2049 165 5.8 102
Show 01338+7251 HJ 2048 302 23.4 102
Show 01217+7540 LDS1526 347 3.3 102
Show 01175+7554 A 813 56 2.4 113
Show 01356+7227 A 816 129 0.9 126
Show 01030+7556 HJ 2006 179 46.8 127
Show 01296+7602 LDS1530 92 3.1 129
Show 01162+7145 HDS 167 233 0.1 137
Show 01357+7600 LDS1533 12 186.8 140
Show 01167+7626 KPP 69 137 3.4 145
Show 01134+7137 HJ 2022 154 11.9 146
Show 01016+7617 SKF2752 160 53.7 148
Show 01157+7133 TDS1821 325 1.1 149
Show 01246+7136 TDS1868 261 0.9 150
Show 01195+7119 HJ 2032 142 12.1 163
Show 01085+7107 TDS1781 AB 274 0.6 179
Show 01032+7113 JNN 250 34 0.1 179
Show 00584+7120 TDS1690 81 2.2 181
Show 01168+7705 LOC 88 105 2.5 184
Show 01147+7056 TDS 43 79 1.5 186
Show 01027+7106 TDS1742 124 0.4 186
Show 01074+7708 LDS1523 169 10.1 189
Show 01297+7054 HJ 1080 311 18.0 198
Show 00593+7712 WFC 5 72 3.3 202
Show 01241+7036 TDS1866 12 1.3 209
Show 01122+7744 LOC 87 76 7.7 223
Show 01099+7021 TDS1789 317 0.6 224
Show 01092+7008 TDS 40 163 0.9 237
Show 00586+7018 TDS1693 300 0.5 239
Show 01078+7001 HJ 1069 329 16.7 245
Show 01346+7804 LDS1532 296 11.3 247
Show 01279+7807 HJ 2038 358 26.0 249
Show 01345+7804 HDS 211 Aa,Ab 211 0.2 251
Show 01345+7804 TOK 227 AB 350 61.9 251
Show 01325+7001 HDS 199 187 0.1 252
Show 01071+7816 LDS1522 61 12.9 256
Show 01349+7811 MFL 16 16 14.3 259

 
 
WDS 01166+7402 : COMPONENTS
 
 
  A B
B pa=203.7°
sep=61.39"
 
C pa=198.0°
sep=102.85"
pa=189.6°
sep=42.21"
 
 
01166+7402 A
 
 
Name HD 7406 Coord arcsec 2000 011636.23+740136.5 Mag 7.06 Spectral class B9 (blue-white)
PmRA -1.00 PmDE -3.0 SAO 4360 HIP 5950
Tycho2 4309-00960-1 HD 7406 GC 1509 BD BD+73 61
Tycho2
Tycho2 4309-00960-1 Pflag RAmdeg 19.15099586 DEmdeg 74.02681898
PmRA -2.6 PmDE -2.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.44 EpDEm 1991.44
Num 12 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.7
Q pmDE 0.6 BTmag 7.101 E BTmag 0.015 VTmag 7.055
E VTmag 0.010 Prox 614 TYC T HIP 5950
CCDM RAdeg 19.15101806 DEdeg 74.02682389 EpRA 1990 1.72
EpDE 1990 1.64 E RAdeg 3.8 E DEdeg 3.9 Posflg
Corr 0.2
SAO
SAO 4360 DelFlag RA1950 PmRA1950 0.0054
DE1950 PmDE1950 -0.004 Vmag 7.1 SpType B9
Double code Source 70 CatNum 1509 DM BD+73 61
DMcomp BDsup HD 7406 M HD 0
GC 1509 RA1950rad 0.31770205 DE1950rad 1.28740977 PmRA2000 0.0051
PmDE2000 -0.011
Hipparcos
Catalog H HIP 5950 Proxy RAhms 01 16 36.25
DEdms +74 01 36.6 Vmag 7.07 VarFlag 1 R Vmag H
RAdeg 19.151 DEdeg 74.0268 AstroRef Plx 1.07
CCDM 01166+7401 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 7406 BD BD+73 61
CD CP Dm number +73 61 VIred 0.04
SpType B9 R SpType Coord arcsec 2000 011636.25+740136.6
Hipparcos 2
HIP 5950 Sn 5 So 0 Nc 1
RArad 0.3342483791 DErad 1.29201181 Plx 1.82 PmRA -0.95
PmDE -2.87 E RArad 0.28 E DErad 0.27 E Plx 0.34
E pmRA 0.35 E pmDE 0.4 Hpmag 7.0896 E Hpmag 0.0013
SHp 0.011 VA 2 BV 0.056 E BV 0.007
VI 0.07
 
 
01166+7402 B
 
 
Coord arcsec 2000 011630.25+740040.3 Coord calc 011630.25+740040.3 Mag 7.88 Spectral class A0 (white)
PmRA 5.00 PmDE -13.0 SAO 4359 Tycho2 4309-00495-1
HD 7407 DM BD+73 60 Calc delta mag 0.82
Tycho2
Tycho2 4309-00495-1 Pflag RAmdeg 19.12607301 DEmdeg 74.01119825
PmRA 6.7 PmDE -12.3 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.53 EpDEm 1991.45
Num 7 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 8.011 E BTmag 0.016 VTmag 7.880
E VTmag 0.011 Prox 614 TYC T HIP
CCDM RAdeg 19.12601694 DEdeg 74.01122694 EpRA 1990 1.70
EpDE 1990 1.62 E RAdeg 4.8 E DEdeg 4.9 Posflg
Corr 0.3
SAO
SAO 4359 DelFlag RA1950 PmRA1950 0.0049
DE1950 PmDE1950 -0.008 Vmag 8.2 SpType A0
Double code Source 1 CatNum 27 DM BD+73 60
DMcomp BDsup HD 7407 M HD 0
GC RA1950rad 0.31725585 DE1950rad 1.28713956 PmRA2000 0.0046
PmDE2000 -0.015
 
 
01166+7402 C
 
 
Coord arcsec 2000 011628.54+735958.7 Mag 12.7 PmRA -12.00 PmDE -23.0
Calc delta mag 5.64 Calc coord yes